| 摘要 |
An ultraviolet irradiating apparatus for emitting ultraviolet light toward a work piece. The work piece, e.g. a semiconductor wafer, is held by a ring-shaped frame through an ultraviolet sensitive adhesive tape applied to the back surface of the wafer. The apparatus includes an ultraviolet irradiating section having a regulating member disposed in a lower position of a support base. The regulating member is provided to limit a downward displacement of the wafer.
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